ARCed.Controls.MapSourceSelectorPanel.RefreshSelection C# (CSharp) Метод

        private void RefreshSelection()
        {
            Rectangle rect = SelectionRectangle;
            if (_selectRect != rect)
            {
                _selectRect = rect;
                using (Graphics g = Graphics.FromImage(Image))
                {
                    g.Clear(Color.White);
                    g.DrawImageUnscaled(_srcImage, 0, 0);
                    g.DrawRectangle(_outterPen, rect);
                    g.DrawRectangle(_innerPen, rect);
                }
                Invalidate();
            }
        }